From 9b19b02628082f544f361c520c6a0f5c08a9bef2 Mon Sep 17 00:00:00 2001 From: Stuart Henderson Date: Wed, 4 May 2011 11:14:54 +0000 Subject: [PATCH] 2011-05-04 Stuart Henderson From Bernd Schmidt * config/bfin/bfin.md (addsi3): Add an alternative for IREGS. From-SVN: r173368 --- gcc/ChangeLog | 5 +++++ gcc/config/bfin/bfin.md | 17 ++++++++--------- 2 files changed, 13 insertions(+), 9 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 287615ec1c3..cd2b35a6fd1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-05-04 Stuart Henderson + + From Bernd Schmidt + * config/bfin/bfin.md (addsi3): Add an alternative for IREGS. + 2011-05-04 Rainer Orth * config/alpha/alpha.h (CODE_MASK, MIPS_IS_STAB, MIPS_MARK_STAB) diff --git a/gcc/config/bfin/bfin.md b/gcc/config/bfin/bfin.md index c4722d4b132..903c8bb076f 100644 --- a/gcc/config/bfin/bfin.md +++ b/gcc/config/bfin/bfin.md @@ -1217,22 +1217,21 @@ "%0 = %h2 * %h1 (IS,M)%!" [(set_attr "type" "dsp32")]) -;; The processor also supports ireg += mreg or ireg -= mreg, but these -;; are unusable if we don't ensure that the corresponding lreg is zero. -;; The same applies to the add/subtract constant versions involving -;; iregs +;; The alternative involving IREGS requires that the corresponding L register +;; is zero. (define_insn "addsi3" - [(set (match_operand:SI 0 "register_operand" "=ad,a,d") - (plus:SI (match_operand:SI 1 "register_operand" "%0, a,d") - (match_operand:SI 2 "reg_or_7bit_operand" "Ks7, a,d")))] + [(set (match_operand:SI 0 "register_operand" "=ad,a,d,b") + (plus:SI (match_operand:SI 1 "register_operand" "%0, a,d,0") + (match_operand:SI 2 "reg_or_7bit_operand" "Ks7, a,d,fP2P4")))] "" "@ %0 += %2; %0 = %1 + %2; - %0 = %1 + %2;" + %0 = %1 + %2; + %0 += %2;" [(set_attr "type" "alu0") - (set_attr "length" "2,2,2")]) + (set_attr "length" "2,2,2,2")]) (define_insn "ssaddsi3" [(set (match_operand:SI 0 "register_operand" "=d") -- 2.30.2